25922224384 has 144 divisors (see below), whose sum is σ = 59903262720. Its totient is φ = 10966394880.

The previous prime is 25922224337. The next prime is 25922224409. The reversal of 25922224384 is 48342222952.

It is a self number, because there is not a number n which added to its sum of digits gives 25922224384.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67681857 + ... + 67682239.

It is an arithmetic number, because the mean of its divisors is an integer number (415994880).

Almost surely, 2^25922224384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25922224384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29951631360).

25922224384 is an abundant number, since it is smaller than the sum of its proper divisors (33981038336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25922224384 is a wasteful number, since it uses less digits than its factorization.

25922224384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796 (or 782 counting only the distinct ones).

The product of its digits is 552960, while the sum is 43.

The spelling of 25922224384 in words is "twenty-five billion, nine hundred twenty-two million, two hundred twenty-four thousand, three hundred eighty-four".